TY CONF TI MODELING STUDENT PERFORMANCE THROUGH NEURAL NETWORKS KW student academic achievement KW cluster analysis KW Kohonen neural networks JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2025 AU Shevyreva, E.V. AU Arapov, D.V. AU Ivanin, P.S. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov